2121110200011 has 16 divisors (see below), whose sum is σ = 3168636369408. Its totient is φ = 1250777512800.

The previous prime is 2121110199959. The next prime is 2121110200019. The reversal of 2121110200011 is 1100020111212.

It is not a de Polignac number, because 2121110200011 - 2²³ = 2121101811403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2121110200011.

It is not an unprimeable number, because it can be changed into a prime (2121110200019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868594275 + ... + 868596716.

It is an arithmetic number, because the mean of its divisors is an integer number (198039773088).

Almost surely, 2^{2121110200011} is an apocalyptic number.

2121110200011 is a deficient number, since it is larger than the sum of its proper divisors (1047526169397).

2121110200011 is a wasteful number, since it uses less digits than its factorization.

2121110200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737191042.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2121110200011 its reverse (1100020111212), we get a palindrome (3221130311223).

The spelling of 2121110200011 in words is "two trillion, one hundred twenty-one billion, one hundred ten million, two hundred thousand, eleven".